datatable.Frame.stype¶
New in version v0.10.0
The common stype
for all columns.
This property is well-defined only for frames where all columns have the same stype.
Parameters¶
return
stype
| None
For frames where all columns have the same stype, this common
stype is returned. If a frame has 0 columns, None
will be
returned.
except
InvalidOperationError
This exception will be raised if the columns in the frame have different stypes.